An electronic card for electromagnetic data exchange, the electronic card including an electronic circuit (2) which is contained in a housing (1), the housing (1, 1') being provided with a bottom element (10) and a top element (20), the electronic circuit (2) being contained between inner surfaces (10', 20') of the bottom and top elements (10, 20). At least one of the bottom element (10) and the top element (20) is provided with at east one recess (11, 12, 21, 22, 11a, 12a, 21a, 22a), into which the electronic circuit (2) is inserted, the shape (11', 12', 21', 22', 11a', 12a', 21a', 22a') of the recess (11, 12, 21, 22, 11a, 12a, 21a, 22a) corresponding to an outer shape (2a', 2b', 2c'; 2a', 2c') of the electronic circuit (2), the electronic circuit (2) being at least partially covered by the top element (20), and the housing (1; 1') being encased by a sheathing (50) made of plastics.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An electronic card for electromagnetic data exchange, the electronic card including an electronic circuit (2) which is contained in a housing (1), the housing (1, 1') comprising a bottom element (10) and a top element (20), the electronic circuit (2) being contained between inner surfaces (10', 20') of the bottom and top elements (10, 20), at least one of the bottom element (10) and the top element (20) being provided with at least one recess (11, 12, 21, 22, 11a, 12a, 21a, 22a), into which the electronic circuit (2) is inserted, the shape (11', 12', 21', 22', 11a', 12a', 21a', 22a') of the recess (11, 12, 21, 22, 11a, 12a, 21a, 22a) corresponding to an outer shape (2a', 2b', 2c'; 2a', 2c') of the electronic circuit (2), the electronic circuit (2) being at least partially covered by the top element (20), and the housing (1; 1') being encased by a sheathing (50) made of plastics.
2. The electronic card according to claim 1, wherein the housing (1; 1') is produced via an injection molding process.
3. The electronic card according to claim 1, wherein at least one of the bottom element (10) and the top element (20) of the housing (1) is provided with at least one opening (13, 23) into which an electronic component (2c) can be inserted.
4. The electronic card according to claim 1, wherein at least one of the bottom element (10) and the top element (20) is provided with recesses (24a, 24b) for receiving connecting elements (2d) serving to connect components (2a-2c) of the electronic circuit (2).
5. The electronic card according to claim 1, wherein the top element (20) is connected to the bottom element (10) of the casing device (1; 1') via connecting elements (31a, 31b; 31a-31c), and the top element (20) can be folded via the connecting elements (31a, 31b; 31a 31c) onto the bottom element (10).
6. The electronic card according to claim 1, wherein the bottom element (10) and the top element (20) of the housing (1) are connected via bonding, welding, engaging via notches or via clamping, with each other.
7. The electronic card according to claim 1, wherein the bottom element (10) is of an essentially rectangular shape limited by two longitudinal edges (10a, 10b) and by two cross edges (10c, 10d), or of a circular, oval or polygonal shape and the bottom element (10) has a surface of a size somewhat smaller than that of the electronic card.
8. The electronic card according to claim 1, wherein the recesses (21, 22; 21a, 22a) of the top element (20) are positioned above the recesses (11, 12; 11a, 12a) of the bottom element (10) of the housing (1; 1') when the housing (1; 1') is in an assembled state.
9. The electronic card according to claim 1, wherein the housing (1; 1') is made of elastic or rigid plastic material.
10. The electronic card according to claim 1, wherein the top element (20) of the housing (1) does not extend over the entire width of the bottom element (10) in at least one area when the casing device is in a folded-over state.
11. The electronic card according to claim 1, wherein the top element (20) and the bottom element (10) of the housing (1') essentially overlap one another when the housing (1') is in a folded-over state.
12. The electronic card claim 1, wherein one of the top and bottom elements (10, 20) of the housing (1') is provided with an opening (40) through which an injection-moulding material can be conveyed, the opening (40) being connected to at least one channel (42a, 42b) running towards an edge of the housing (1'), so that an injection-moulding material which is conveyed via the opening (40) can pass through at least one channel (42a, 42b) inside the housing (1') towards the edge of the housing (1).
13. The electronic card according to claim 1, wherein the first recess (11a, 21a) and the second recess (12a, 22a) of the bottom element (10) and/or the top element (20) of the housing (1') are connected by clamp elements (29a, 29b), by means of which connecting wires (2d) serving to connect the two components (2a, 2c) of the electronic circuit (2) can be pushed against the top element (20) and/or the bottom element (10) of the housing (1').
14. The electronic card according to claim 1, wherein at least one of the electronic components contained within the recesses (11, 12; 21, 22; 11a, 12a, 21a, 22a) of the bottom element (10) and the top element (20) of the housing (1; 1') is an antenna element (2a, 2b) or a microchip (2c).
15. A process for the manufacturing of an electronic card provided with an electronic circuit (2) for electronic data exchange, comprising the steps of providing a housing (1; 1') with a bottom element (10) and a top element (20) made via a plastic injection-moulding process, the bottom element (10) and/or top element (20) being provided with at least one recess (11, 12, 21, 22; 11a, 12a, 21a, 21b), inserting components (2a-2d) of the electronic circuit (2) into at least one recess (11, 12; 11a, 12a) of the bottom element (10), fixing the top element (20) onto the bottom element (10) in such a way that the electronic circuit (2) received within the recesses (11, 12) of the bottom element (10) is at least partially covered by the top element (20), and encasing the housing (1) in plastic material by injection molding in order to create the electronic card.
16. The process according to claim 15, wherein the bottom element (10) and the top element (20) of the housing (1; 1') are connected to each other via connecting elements (31a, 31b; 31a-31c).
17. The process according to claim 15, wherein at least one of the bottom element (10) and the top element (20) of the housing (1) is provided with at least two recesses (11, 12, 21, 22; 11a, 12a, 21a, 22a), and at least one of the bottom element (10) and the top element (20) is provided with recesses (24a, 24b) for connecting wires (2d) of the electronic circuit (2).
18. The process according to claim 15, wherein at least two clamp elements (29a, 29b) for connecting wires (2d) of the electronic circuit (2) are provided in the bottom element (10) and the top element (10) of the housing (1').
19. The process according to claim 15, wherein the bottom element (10) and the top element (20) of the housing (1; 1') are connected at least partially in order to fix the top element (20) onto the bottom element (10).
20. The process according to claim 15, wherein the housing (1; 1') is made of an elastic plastic material.
21. The process according to claim 15, wherein the housing (1; 1') is made of a rigid plastic material.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
October 1, 1998
July 10, 2001
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